indivisible vs several

indivisible

adj
  • Incapable of being divided; atomic. 

  • Incapable of being divided by a specific integer without leaving a remainder. 

noun
  • An infinitely small quantity which is assumed to admit of no further division. 

  • That which cannot be divided or split. 

several

adj
  • Separable, capable of being treated separately. 

  • A number of different; various. 

noun
  • Each particular taken singly; an item; a detail; an individual. 

det
  • Consisting of a number more than two but not very many. 

adv
  • By itself; severally. 

How often have the words indivisible and several occurred in a corpus of books? (source: Google Ngram Viewer )